ISOM8117DFGRQ1

Transistor, Photovoltaic Output Optoisolators Overview

The ISOM8117DFGRQ1 is a single-channel transistor-output optocoupler emulator manufactured by Texas Instruments. It features an SOIC-4 surface-mount package and operates within a temperature range of -40°C to +125°C. Key electrical specifications include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and a power dissipation of 290 mW. The device provides an isolation voltage of 5000 Vrms with a typical current transfer ratio of 300%. Forward current is rated at 20 mA with a forward voltage of 1.2 V. Switching characteristics include a rise time of 3.2 µs and a fall time of 4 µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation for signal transmission between circuits
• Features high current transfer ratio for efficient signal coupling
• Compatible with standard phototransistor optocoupler pinouts

Transistor, Photovoltaic Output Optoisolators Applications

• Automotive AC-input systems
• Industrial control interfaces
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix DFGRQ1 against the manufacturer datasheet to confirm AEC-Q100 qualification and automotive grade status. Ensure the ordering part number matches the required insulation voltage and channel configuration. Cross-reference the SOIC-4 package dimensions with PCB footprint requirements before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when replacing traditional optocouplers in AC-coupled applications requiring high CTR. Compare the 5000 Vrms isolation rating against system safety standards. Evaluate the 20 mA forward current requirement against available drive signals. Confirm that the 80 V collector-emitter voltage meets the load requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the ISOM811x series of optocoupler emulators designed to replace legacy discrete components. The series offers improved consistency and reliability compared to optical alternatives. The Q1 suffix indicates compliance with automotive quality standards, making it suitable for demanding vehicle environments.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include other ISOM8117 variants with different packaging or insulation ratings. Verify pin compatibility when replacing older discrete optocouplers.